//
//    Class:        CLayeredWindowHelperST
//
//    Compiler:    Visual C++
//    Tested on:    Visual C++ 6.0
//
//    Version:    See GetVersionC() or GetVersionI()
//
//    Created:    17/January/2002
//    Updated:    17/January/2002
//
//    Author:        Davide Calabro'        davide_calabro@yahoo.com
//                                    http://www.softechsoftware.it
//
//    Disclaimer
//    ----------
//    THIS SOFTWARE AND THE ACCOMPANYING FILES ARE DISTRIBUTED "AS IS" AND WITHOUT
//    ANY WARRANTIES WHETHER EXPRESSED OR IMPLIED. NO REPONSIBILITIES FOR POSSIBLE
//    DAMAGES OR EVEN FUNCTIONALITY CAN BE TAKEN. THE USER MUST ASSUME THE ENTIRE
//    RISK OF USING THIS SOFTWARE.
//
//    Terms of use
//    ------------
//    THIS SOFTWARE IS FREE FOR PERSONAL USE OR FREEWARE APPLICATIONS.
//    IF YOU USE THIS SOFTWARE IN COMMERCIAL OR SHAREWARE APPLICATIONS YOU
//    ARE GENTLY ASKED TO DONATE 1$ (ONE U.S. DOLLAR) TO THE AUTHOR:
//
//        Davide Calabro'
//        P.O. Box 65
//        21019 Somma Lombardo (VA)
//        Italy
//

#pragma once

#ifndef WS_EX_LAYERED
#define WS_EX_LAYERED 0x00080000
#define LWA_COLORKEY 0x00000001
#define LWA_ALPHA 0x00000002
#endif

class CLayeredWindowHelperST
{
public:
    CLayeredWindowHelperST();
    virtual ~CLayeredWindowHelperST();

    LONG AddLayeredStyle(HWND hWnd);
    BOOL SetLayeredWindowAttributes(HWND hWnd, COLORREF crKey, BYTE bAlpha, DWORD dwFlags);
    BOOL SetTransparentPercentage(HWND hWnd, BYTE byPercentage);

    static short GetVersionI()
    {
        return 10;
    }
    static LPCTSTR GetVersionC()
    {
        return (LPCTSTR) _T("1.0");
    }

private:
    typedef BOOL(WINAPI *lpfnSetLayeredWindowAttributes)(HWND hWnd, COLORREF crKey, BYTE bAlpha, DWORD dwFlags);

    HMODULE m_hDll;
};


